Morphological Data as a Basis for the Understanding and Treatment of Diseases in Wild and Domestic Animals

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Veterinary Clinical Studies".

Deadline for manuscript submissions: closed (15 May 2023) | Viewed by 3657

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Institute of Veterinary-Anatomy, -Histology and -Embryology, Faculty of Veterinary Medicine, Justus Liebig University Giessen, 35390 Giessen, Germany
Interests: anatomy, histology and embryology of the stomatognathic system; comparative odontology; periodontology; dental and periodontal stem cells; oral/dental histology; dental/periodontal pathohistology; oral/dental malformations; temporomandibular joint; equine paranasal sinus system
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Special Issue Information

Dear Colleagues,

Morphological data are an essential basis for the development of specific medical treatments in wild and domestic animals, as well as for several other fields of veterinary and biological research. Even though diagnostic imaging techniques (e.g., radiology, computed tomography, magnetic resonance imaging, ultrasound, endoscopy, etc.) are become more readily available and provide excellent images from different aspects of the body, a consistent and reliable interpretation of the obtained data is too often hampered by a lack of reference data, especially for wild animals. However, the identification of a normal morphological spectrum and its discrimination from pathological conditions is a fundamental prerequisite for a correct diagnosis and an adequate choice of treatment. Especially for those species which share only minor similarities with domestic animals, a sufficient collection of specific morphological data is therefore urgently needed.

With this background in mind, we intend to compile original research articles, brief reports and/or mini reviews with a focus on all kinds of morphological data—on a macroscopic as well as on a microscopic level—preferentially obtained by (but not limited to) diagnostic imaging techniques.

I look forward to receiving your contributions.

Prof. Dr. Carsten Staszyk
Guest Editor

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Published Papers (2 papers)

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16 pages, 4361 KiB  
Article
Relationship between Feline Knee Joint Osteoarthritis and Bone Mineral Density Quantified Using Computed Tomography and Computed Digital Absorptiometry
by Joanna Bonecka, Bernard Turek, Krzysztof Jankowski, Marta Borowska, Tomasz Jasiński, Graham Smyth and Małgorzata Domino
Animals 2024, 14(17), 2615; https://doi.org/10.3390/ani14172615 - 9 Sep 2024
Viewed by 653
Abstract
Osteoarthritis (OA), including knee joint OA, is a common chronic condition in cats. In both cats and humans, knee joint OA is characterized radiographically by the presence of osteophytes, enthesiophytes, subchondral sclerosis, and joint space narrowing. However, only in humans have these radiographic [...] Read more.
Osteoarthritis (OA), including knee joint OA, is a common chronic condition in cats. In both cats and humans, knee joint OA is characterized radiographically by the presence of osteophytes, enthesiophytes, subchondral sclerosis, and joint space narrowing. However, only in humans have these radiographic signs been reported to increase bone mineral density (BMD). Therefore, this study aims to quantify the volumetric (vBMD) and relative (rBMD) BMD measures of the feline knee joint and compare BMD measures between various severities of OA to test the hypothesized OA–BMD relationship in the knee joint in cats. The 46 feline knee joints were imaged using computed tomography (CT) and conventional radiography supported by the computed digital absorptiometry (CDA) method to obtain vBMD and rBMD, respectively. Both BMD measures were assessed in three regions of interest (ROIs): the distal femur (ROI 1), patella (ROI 2), and proximal tibia (ROI 3). In all locations, vBMD and rBMD showed moderate (ROI 2: r = 0.67, p < 0.0001) to strong (ROI 1: ρ = 0.96, p < 0.0001; ROI 3: r = 0.89, p < 0.0001) positive correlations. Due to differences (p < 0.0001) in the width of the distal femur (17.9 ± 1.21 mm), patella (8.2 ± 0.82 mm), and proximal tibia (19.3 ± 1.16 mm), the rBMD was corrected (corr rBMD) using the thickness coefficient of 0.46 ± 0.04 for ROI 2 and 1.08 ± 0.03 for ROI 3. Regardless of the quantification method used, BMD measures increased linearly from a normal knee joint to severe OA, with differences in BMD between normal and mild to severe knee joint OA. The OA–BMD relationship in the feline knee joint can be preliminarily confirmed. Full article
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10 pages, 2146 KiB  
Article
3D Reconstruction of the Blood Supply in an Elephant’s Forefoot Using Fused CT and MRI Sequences
by Örs Petneházy, Shannon Rück, Endre Sós and László Z. Reinitz
Animals 2023, 13(11), 1789; https://doi.org/10.3390/ani13111789 - 28 May 2023
Cited by 2 | Viewed by 2585
Abstract
Being the largest still-living terrestrial mammal on earth, an elephant’s feet play an important role in its health status. The musculoskeletal structures in the forefoot are well described in the literature, but information about vascularization is limited. The novel aim of this work [...] Read more.
Being the largest still-living terrestrial mammal on earth, an elephant’s feet play an important role in its health status. The musculoskeletal structures in the forefoot are well described in the literature, but information about vascularization is limited. The novel aim of this work is to provide anatomical guidance to structures found in the forefoot, focusing on the arterial system. Initially, native CT and MRI sequences were taken of the left forefoot of a deceased 6-year-old female Asian elephant; the foot was then filled with an iodine-containing contrast medium through the a. mediana and the CT scans were repeated in the same position. The images obtained were processed with 3D Slicer software for the 3D reconstruction of the bones and arteries. The results clearly showed the palmar blood supply of the forefoot. A so far undescribed vessel was revealed, stemming from the a. metacarpea, supplying the first digit and the digital cushion. The course of the deep palmar arch’s terminal section was also established. This paper provides the first description of the exact disposition of the arteries in the palmar aspect of an elephant’s forefoot and may be used in planning surgeries in clinically affected animals. Full article
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